The extraordinary victory of John Key and his National party in New Zealand’s recent election came as a relief to many on both sides of the ‘dutch’ (including, of course, this week’s diarist, New Zealand Attorney General Chris Finlayson QC). Besides the obvious pleasure in seeing a good, strong, low-taxing, debt-reducing, conservative government returned with an increased majority, followers of antipodean politics will no doubt have noticed a certain glaring similarity between the state of political play in both countries this past year; namely, the presence of a buffoonish billionaire hell-bent on using his dosh and his media nous to...